Stay updated with real-time air quality in Union City, New Jersey featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
30
Good
Union City, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.99 μg/m³
0
55
155
255
425
605+
32.03 ppb
0
55
71
86
201
201+
0.70 ppb
0
36
76
186
605
1005+
9.22 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Union City, New Jersey
Union City, New Jersey
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AQI 29
Good
0.90μg/m³
PM2.5
3.35μg/m³
PM10
31.03ppb
O3
0.74ppb
SO2
7.77ppb
NO2
0.20ppm
CO
AQI 29
Good
1.25μg/m³
PM2.5
4.87μg/m³
PM10
31.20ppb
O3
0.74ppb
SO2
7.96ppb
NO2
0.20ppm
CO
AQI 29
Good
1.53μg/m³
PM2.5
6.10μg/m³
PM10
31.35ppb
O3
0.74ppb
SO2
8.12ppb
NO2
0.20ppm
CO
AQI 29
Good
1.31μg/m³
PM2.5
5.18μg/m³
PM10
31.07ppb
O3
0.76ppb
SO2
8.37ppb
NO2
0.20ppm
CO
AQI 29
Good
1.53μg/m³
PM2.5
6.10μg/m³
PM10
31.35ppb
O3
0.74ppb
SO2
8.12ppb
NO2
0.20ppm
CO
AQI 29
Good
1.39μg/m³
PM2.5
5.53μg/m³
PM10
30.86ppb
O3
0.79ppb
SO2
8.85ppb
NO2
0.20ppm
CO
Air quality and pollutant data for New Jersey, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Union City, New Jersey is updated every hour for accuracy.
In the past 24 hours, the air quality in Union City, New Jersey was at its worst at 02:00:00 on 2026-01-24.
In the last 24 hours, the best air quality in Union City, New Jersey was observed at 11:00:00 on 2026-01-23.
As of now, the AQI in Union City, New Jersey is 29, indicating Good conditions.
Union City, New Jersey air has the highest levels of O3.
Poor air quality in Union City, New Jersey means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Union City, New Jersey are currently 0.644 μg/m3.
The PM10 concentration in Union City, New Jersey is 2.195 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Union City, New Jersey is 0.205 ppm.
Currently, Union City, New Jersey has a sulfur dioxide (SO2) concentration of 0.737 ppb.
The current ozone (O3) level in Union City, New Jersey at the moment is 30.978 ppm.
Nitrogen dioxide (NO2) level in Union City, New Jersey at the moment is 7.435 ppb.
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